Gov. Code, § 31564

(a) All officers and employees of any district who have become members of the association as provided in Section 31557, may be withdrawn by a resolution of the governing body declaring all of the district’s employees withdrawn from the association; provided, the governing body has first received a written petition signed by a majority of its officers and employees requesting that the district’s officers and employees be withdrawn from the association.

(b) Upon the adoption of any resolution to withdraw its members, all accumulated contributions held in the association shall be refunded to the district’s employees upon the effective date of their withdrawal and in the same manner as the accumulated contributions would be refunded upon the termination of their employment by the district.

(c) Upon the adoption of any resolution to withdraw its members and where there are no existing retirees from the district, the district’s contributions shall be transferred to another public retirement system that meets the requirement of a tax-qualified retirement plan under Section 401(a) of Title 26 of the United States Code.

(d) A refund, distribution, or transfer of contributions or other funds shall not be made to any employee or any district unless that action complies with the requirements of Section 401(a) of Title 26 of the United States Code.

(e) In the event of the transfer of district contributions to another public retirement system, the employee contributions shall also be transferred to the other public retirement system.

(f) The effective date of withdrawal of any resolution adopted pursuant to this section shall be at the end of the calendar month during which such resolution is adopted.